So, I'm torn between the Master Technika and the Technika IV... Namely, I have the opportunity to buy a Technika IV in good condition with the wide angle adapter bed. My only apprehension lies in the movements that the IV will be able to accomodate without the flip-top. I know I'm not going to be getting much movement out of my Nikkor 65mm f/4.5 anyway, but I'd like to take all I can get. How much rise/fall/shift/tilt will I be able to get out of a Technika IV with a 65mm on the wide angle bed? How much more will the Master/wide angle bed setup permit? I'm thinking of going for a 47mm XL at some point, which makes the included WA bed even more enticing... Also, does the reflex viewer for the master fit on the IV?